{"version":"1.0","provider_name":"The Mariners&#039; Museum and Park","provider_url":"https:\/\/www.marinersmuseum.org","author_name":"Gabby Teoli","author_url":"","title":"Civil War Ironclads:\u00a0An Overview","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"MGGhwPCTdX\"><a href=\"https:\/\/www.marinersmuseum.org\/2025\/12\/civil-war-ironclads-an-overview\/\">Civil War Ironclads:\u00a0An Overview<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.marinersmuseum.org\/2025\/12\/civil-war-ironclads-an-overview\/embed\/#?secret=MGGhwPCTdX\" width=\"600\" height=\"338\" title=\"&#8220;Civil War Ironclads:\u00a0An Overview&#8221; &#8212; The Mariners&#039; Museum and Park\" data-secret=\"MGGhwPCTdX\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.marinersmuseum.org\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/www.marinersmuseum.org\/wp-content\/uploads\/2025\/06\/monitor-vs-virginia.png","thumbnail_width":1382,"thumbnail_height":709,"description":"The American Civil War was the first modern total war. North and South often relied on new technologies in their quest to achieve victory. Few other aspects of the Civil War witnessed such a reliance on new tactics and tools as the war along the rivers, coasts, and oceans. The South was obviously at a [&hellip;]"}